Cooktop Zone Power Coordination for Safe Parameter Adjustment

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Solution Overview

Problem

Existing cooking systems, particularly induction hobs, lack intuitive and safe methods for users to adjust cooking parameters during the cooking process, often requiring manual input and risking exceeding permissible power limits, which can compromise safety and convenience.

Innovation Solution

A cooking system with multiple zones, where each zone has a predetermined power level, and a detection system that automatically adjusts the power based on the presence of cookware, allowing users to change settings via a control element while ensuring that power levels remain within safe limits by coordinating between zones.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If users can freely adjust cooking parameters during operation, then ease of operation is improved, but safety may be compromised due to exceeding power limits

Engineering Contradiction:
Improvecooking parameter adjustmentVSAvoidpower limit compliance
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The control unit continuously monitors the current cooking parameter values and compares them against predefined power limits for each cooking zone. When a user attempts to adjust parameters, the system provides immediate feedback by either accepting the adjustment within limits or preventing it when limits would be exceeded, ensuring safety while maintaining usability

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system dynamically adjusts the available parameter ranges based on the operational state of each cooking zone. Power limits are not fixed but adapt according to the detected cookware, current power settings, and zone configurations, allowing maximum flexibility within safe operating boundaries

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If cooking zones have permanently assigned power levels, then ease of operation is improved, but adaptability decreases

Engineering Contradiction:
Improveautomatic power assignmentVSAvoidcooking parameter flexibility
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The system pre-assigns power levels to cooking zones based on detected cookware characteristics and intended cooking tasks. This preliminary configuration enables immediate operation without user intervention, while the control unit remains ready to accept parameter adjustments when users choose to customize their cooking preferences

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The control unit serves multiple functions: it automatically assigns power levels for hands-off operation, monitors and enforces safety limits, and accepts user-adjusted parameters when desired. This multi-functionality allows the same system to provide both automated convenience and manual flexibility depending on user needs

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If cooking parameter adjustment is restricted to maintain power limits, then safety is improved, but ease of operation worsens

Engineering Contradiction:
Improvepower limit complianceVSAvoidcooking parameter adjustment
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system changes the available parameter space dynamically based on current operational conditions. When power limits are approached, the control unit automatically adjusts the maximum allowable parameter values, presenting users with a reduced but still functional range of options rather than completely blocking adjustments

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enhances user safety and convenience by allowing seamless adjustment of cooking parameters during the process without exceeding power limits, maintaining coordinated power levels across zones, and providing intuitive operation.

Implementation Method 1

induction hob (1) having a plurality of induction cooking zones (11)

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

induction cooking zones

Methodology Applied
Scientific EffectEddy currents: Eddy Currents

Implementation Method 3

heating the cookware and its contents through resistive heating

Methodology Applied
Scientific EffectResistive heating: Joule Heating

Data Source

PatentEP4383944A1Cooking system
Publication Date: 2024.06.12 MIELE & CO KG
  • EP4383944A1 patent drawingFigure 1~2
  • EP4383944A1 patent drawingFigure 3~4
  • EP4383944A1 patent drawing

AI summary

The invention relates to a cooking system (1, 2) with a cooktop (1) having a plurality of cooking zones (11), wherein at least one first cooking zone (11a) is assigned a first predetermined value of a cooking parameter and at least one second cooking zone (11b) is assigned a second predetermined value of the cooking parameter, with a cookware detection system which is designed and configured to determine the position of a cookware (2) on the cooktop (1), wherein the cooking system (1, 2), preferably a control unit of the cooking system (1, 2), is designed and configured to automatically operate the cooking zone (11a; 11b) with the respective predetermined value of the cooking parameter if the cookware (2) is on the cooking zone (11a;11b) is recognized, and with a control element (12), preferably of the cooktop (1), which is designed and configured so that a user can change at least one of the two predetermined values ​​of the cooking parameter, preferably during operation of the cooktop (11a; 11b), wherein the cooking system (1, 2), preferably the control unit of the cooking system (1, 2), is designed and configured to allow the change of the value of the cooking parameter of the first cooktop (11a) only depending on the value of the cooking parameter of the second cooktop (11b), or vice versa.